Commit Message

Interrupt-remapping is part of the Intel Virtualization Technology for
Directed I/O architecture. The specification can be found from:
http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf
It's been requested (I've CC'd Yinying) that we enable the
CONFIG_INTR_REMAP option in Maverick. Even though it's noted as
EXPERIMENTAL in the Kconfig, testing from Intel has shown it to be
stable.
BugLink: http://bugs.launchpad.net/bugs/597091
config INTR_REMAP
bool "Support for Interrupt Remapping (EXPERIMENTAL)"
depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL
---help---
Supports Interrupt remapping for IO-APIC and MSI devices.
To use x2apic mode in the CPU's which support x2APIC enhancements or
to support platforms with CPU's having > 8 bit APIC ID, say Y.